Mia is writing 4.28 as a mixed number find her mistake and correct it

What is the vertex form of f(x) = x2 + 6x + 3

Ann and betty together have $60 ann has $9 more than twice betty’s amount how much money dose each have

The number of calories you burn depends on your weight. a 110-pound person burns 163 calories during 30 minutes of tennis. find the number of calories that a 190-pound person would burn during the same activity, assuming they burn calories at the same rate.